| 摘要 |
A dividing member (25) divides an inside of a storage tank (41) into a humidification region (31) and a supply region (32), and a space above the supply region (32) is covered with a covering member (26). In water, the dividing member (25) defines a communication path (33) through which the supply region (32) and the humidification region (31) communicate with each other. Active species generated in an electrical discharge unit (51) are supplied to the supply region (32) to purify the water. A release of the supplied active species to outside is reduced by the dividing member (25) and the covering member (26), and the water in the supply region (32), which is purified by the active species flows into the humidification region (31) through the communication path (33).
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